I'm thinking there's got to be some sort of a catch. Usually if something sounds too good to be true, it usually is. You're probably right to decline that. Also, you probably don't have a choice of when you can go.
2007 - Majesty of the Seas (Bahamas)
2009 - Enchantment of the Seas (Western Caribbean)
2010 - Freedom of the Seas (Western Caribbean)
2013 - Golden Princess (Alaska, roundtrip from Seattle)